Which of the following is an ionic compound?

1) magnesium chloride

2) gold

3) water

4) carbon monoxide

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

How hot is the suns corona? (integrated science)